CVE-2023-52649

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Make sure we guard against it and use the\nvalue of the floor LUT index.\n\nv3:\n - Drop bits from commit description that didn't contribute\n anything of value"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/vkms: Evite leer m\u00e1s all\u00e1 de la matriz LUT Cuando el \u00edndice LUT de piso (drm_fixp2int(lut_index) es el \u00faltimo \u00edndice de la matriz, el \u00edndice LUT de techo apuntar\u00e1 a una entrada m\u00e1s all\u00e1 de la matriz Aseg\u00farese de protegernos contra esto y usar el valor del \u00edndice LUT de piso v3: - Elimine los bits de la descripci\u00f3n de confirmaci\u00f3n que no contribuyeron con nada de valor."}], "id": "CVE-2023-52649", "lastModified": "2026-06-17T06:43:15.467", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-52649", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-14T18:55:01.102324Z", "version": "2.0.3"}}]}, "published": "2024-05-01T13:15:48.280", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/046c1184ce60b0a37d48134f17ddbc1f32ce02bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2fee84030d12d9fddfa874e4562d71761a129277"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9556c167673057d48ce4a0da675026fe046654c1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/046c1184ce60b0a37d48134f17ddbc1f32ce02bd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2fee84030d12d9fddfa874e4562d71761a129277"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9556c167673057d48ce4a0da675026fe046654c1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: drm/vkms: Avoid reading beyond LUT array", "id": "2278524", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278524"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/vkms: Avoid reading beyond LUT array\nWhen the floor LUT index (drm_fixp2int(lut_index) is the last\nindex of the array the ceil LUT index will point to an entry\nbeyond the array. Make sure we guard against it and use the\nvalue of the floor LUT index.\nv3:\n- Drop bits from commit description that didn't contribute\nanything of value", "An array read overflow vulnerability was found in drivers/gpu/drm/vkms/vkms_composer.c in the Linux kernel. This issue may lead to a crash."], "name": "CVE-2023-52649", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52649\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52649\nhttps://lore.kernel.org/linux-cve-announce/2024050109-CVE-2023-52649-4614@gregkh/T"], "threat_severity": "Moderate"}

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